Home / 862,666.20-1,293,999.30-548,515.80

Finding the Fourth Proportional to 862,666.20, 1,293,999.30 and 548,515.80

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Solution

The fourth proportional to 862,666.20, 1,293,999.30 and 548,515.80 is: 822,773.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,666.20 : 1,293,999.30 = 548,515.80 : x
  2. Step 2: Convert to fraction form
    862,666.20/1,293,999.30 = 548,515.80/x
  3. Step 3: Cross multiply
    862,666.20x = 1,293,999.30 × 548,515.80
  4. Step 4: Simplify right side
    862,666.20x = 709,779,061,238.94
  5. Step 5: Solve for x
    x = 709,779,061,238.94/862,666.20
  6. Step 6: Final answer
    x = 822,773.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.